OAXACA, Mexico - Four youths wearing masks tossed gasoline bombs at a McDonald's restaurant in the conflict-torn city of Oaxaca on Sunday, damaging the windows, seats and play area, police said. Security personnel at the shopping center where the McDonald's is located extinguished the blaze, police said. The restaurant was closed during the pre-dawn attack, and nobody was hurt. The shopping mall is near a university where leftist protesters set up their headquarters last month after police drove them out of city's main plaza, which they had occupied for five months in a bid to force the resignation of the...